Citrus leaves are compound leaves, wing leaves are usually very narrow, the leaves are lanceolate, broad ovate or oval, the size of the leaves varies, the top is usually notched, the upper half of the leaf margin has blunt or round split teeth, rarely the whole.
The leaves of oranges are thick and papery, the wing leaves are oval, the leaves are oval or lanceolate, the large ones are about 8 cm long, 4 cm wide, the small ones are about 2.5 cm long and 1 cm wide. The top of the leaf is gradually narrow and sharp.
Citrus flowers are solitary or in clusters of 2 to 3, with petals usually 1.5 cm long.
Orange flowers are solitary and axillary, drooping, with short pedicels and white petals. Sometimes the back of the petals is lavender and grows about 1 to 1.3cm.
Citrus fruits are usually oblate or nearly spherical, with thin and smooth skin, and some have thick and rough skin, with light yellow, dark red or vermilion color. There are 7 to 14 pulp capsules in the fruit. The pulp is sour or sweet.
The fruit of orange is flat, round or pear shaped, with a large diameter of 8 cm and a small diameter of about 4 cm. The top of the fruit has a ring-shaped bulge, rough skin, thick skin and light yellow color.
